<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <style>
        .abc {
            /*w100*/
            width: 100px;
            /*h200*/
            height: 200px;
            /*ti2em*/
            text-indent: 2em;
            /*lh26px*/
            line-height: 26px;
            /*tdn*/
            text-decoration: none;
        }
    </style>
</head>
<body>
<!--div.cat${dog$}*5-->
<div class="cat1">dog1</div>
<div class="cat2">dog2</div>
<div class="cat3">dog3</div>
<div class="cat4">dog4</div>
<div class="cat5">dog5</div>
</body>
</html>